112
112

Jun 1, 2008
06/08

by
matera

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112

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0

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0

DMX krew live in Dublin 31-05-2008

Topics: elektro, funky

779
779

May 3, 2005
05/05

by
matera

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779

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0

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0

Program zero: a dj-set for experimental dancefloor. It is the attempt to move into the creative commons dominion years of listening and dj-set, between ambient tech-house and experimentations, between dancefloor and headphones.

Topics: Experimental, Ambient, Techno, Electronica

Source: www.laverna.net

305
305

Dec 31, 2013
12/13

by
matera

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305

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0

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0

last release from Molven

Topics: ambient. electronica, idm

577
577

Mar 15, 2013
03/13

by
matera

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577

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0

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0

Laverna.net release n.56Monologue "Perfect Imperfection"

Topics: ambient, electronica

8
8.0

Sep 17, 2013
09/13

by
F. Matera

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8

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0

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0

An effective interaction between fermions in a Bose-Fermi mixture is derived. It is induced by density fluctuations of the bosonic background. The contributions from states containing both one and two virtual phonons are taken into account self-consistently. The time dependence of the effective interaction has been removed by assuming that the velocity of the fermions at the Fermi surface is much larger than the sound velocity in the Bose gas. The fermions are considered in only one magnetic...

Source: http://arxiv.org/abs/cond-mat/0305609v2

139
139

Feb 6, 2013
02/13

by
Joe Matera

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139

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0

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0

214
214

Dec 3, 2009
12/09

by
Antonio Matera

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214

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0

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0

“Se vive una grave situación en muchos municipios de Magdalena por la falta de energía eléctrica”, comentó Antonio Matera a ciudadanos de diversos municipios durante una gira departamental. “Estamos en pleno siglo XXI y hay miles de personas que carecen de un simple ventilador que les alivie y permita conciliar el sueño” sostuvo y agregó que “hay estudiantes graduándose de bachiller sin conocer un computador, y peor aún, los puestos de salud no pueden funcionar bien por la...

Topics: electricidad, antonio matera, magdalena, colombia, servicios basicos, luz, ventilador

3,861
3.9K

Dec 31, 2006
12/06

by
matera electronics

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3,861

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3

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1

The project “nature” starts in 2004, together with the netlabel, with the aim to represent the electronic sound as it was before the path that has brought it, at the end of the 90’s, to the full abstraction of its origins, towards the virtual timber. The innovative technical element often brings along aesthetic changes. The “ideal” synthetizer, able to reproduce any sound, existing or not in nature, has fed the aesthetics of subtraction as pure search for the sound, occupying the...

( 1 reviews )

Source: www.laverna.net

130
130

Dec 22, 2013
12/13

by
Joe Matera

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130

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0

######
0

32
32

Dec 15, 2014
12/14

by
Orazio ; da Matera> Persio (; da Matera>)

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32

######
0

######
0

Topic: bub_upload

Source: http://books.google.com/books?id=r9jSS5WV7lAC&hl=&source=gbs_api

12
12

Nov 24, 2014
11/14

by
Orazio ; da Matera> Persio (; da Matera>)

######
12

######
0

######
0

Topic: bub_upload

Source: http://books.google.com/books?id=F1NetadekXAC&hl=&source=gbs_api

12
12

Nov 23, 2014
11/14

by
Orazio ; da Matera> Persio (; da Matera>)

######
12

######
0

######
0

Topic: bub_upload

Source: http://books.google.com/books?id=eAxwGcwxqSAC&hl=&source=gbs_api

163
163

Dec 3, 2009
12/09

by
Antonio Matera Ramos

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163

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0

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0

Luego de una reciente gira por diversos municipios, Antonio Matera comentó que en materia de acceso vial y “comparado con nuestros mismos vecinos (Atlántico o Sucre), estamos en desventaja”. También agregó que es se debe y “denota falta de Gestión, indiferencia e interés por parte de nuestros dirigentes.” En el mismo sentido y en la lucha por un mejor estilo de vida para todos, invitó a la población “creer que hay otra manera de trabajar y adelantar la vida pública.”...

Topics: antonio matera, santa marta, colombia, acceso vial, caminos, rutas, transito, acceso

686
686

Dec 14, 2009
12/09

by
Antonio Matera Ramos

######
686

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0

######
0

Jingle de Antonio Matera Ramos para la campaña a Representante de la Cámara 2010 - 2014

Topics: antonio matera, santa marta, colombia, acceso vial, caminos, rutas, transito, acceso, campaÃ±a,...

3
3.0

Sep 20, 2013
09/13

by
Antonio Cafure; Guillermo Matera

######
3

######
0

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0

We show explicit estimates on the number of $q$--rational points of an $F_q$--definable affine absolutely irreducible variety of the algebraic closure of the finite field $F_q$ of $q$ elements. Our estimates for a hypersurface significantly improve previous estimates of W. Schmidt and M.-D. Huang and Y.-C. Wong, while in the case of a variety our estimates improve those of S. Ghorpade and G. Lachaud in several important cases. Our proofs rely on elementary methods of effective elimination...

Source: http://arxiv.org/abs/math/0405302v1

5
5.0

Sep 23, 2013
09/13

by
F. Matera; A. Dellafiore

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5

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0

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0

The pairing of fermionic atoms in a mixture of atomic fermion and boson gases at zero temperature is investigated. The attractive interaction between fermions, that can be induced by density fluctuations of the bosonic background, can give rise to a superfluid phase in the Fermi component of the mixture. The atoms of both species are assumed to be in only one internal state, so that the pairing of fermions is effective only in odd-l channels. No assumption about the value of the ratio between...

Source: http://arxiv.org/abs/1109.2820v1

9
9.0

Sep 22, 2013
09/13

by
G. Fabbri; F. Matera

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9

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0

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0

We study the effects of the Coulomb interaction on the growth of unstable modes in asymmetric nuclear matter. In order to compare with previous calculations we use a semiclassical approach based on the linearized Vlasov equation. Moreover, a quantum calculation is performed within the R.P.A.. The Coulomb effects are a slowing down of the growth and the occurrence of a minimal wave vector for the onset of the instabilities. The quantum corrections cause a further decrease of the growth rates.

Source: http://arxiv.org/abs/nucl-th/9805022v1

3
3.0

Feb 1, 2010
02/10

by
Antonio Matera Ramos

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3

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0

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0

El candidato a la CÃ¡mara de Representantes por el Partido de la U, Antonio Matera Ramos, visitÃ³ el corregimiento de La Avianca perteneciente al Municipio de Pivijai.

Topics: antonio matera ramos, santa marta, avianca, colombia, campaÃ±a, representante a la camara, 2010

8
8.0

Sep 23, 2013
09/13

by
Sebastian Matera; Karsten Reuter

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8

######
0

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0

We present a first-principles based multiscale modeling approach to heterogeneous catalysis that integrates first-principles kinetic Monte Carlo simulations of the surface reaction chemistry into a fluid dynamical treatment of the macro-scale flow structures in the reactor. The approach is applied to a stagnation flow field in front of a single-crystal model catalyst, using the CO oxidation at RuO2(110) as representative example. Our simulations show how heat and mass transfer effects can...

Source: http://arxiv.org/abs/1006.0343v1

18
18

Jul 20, 2013
07/13

by
Antonio Cafure; Guillermo Matera

######
18

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0

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0

We exhibit a probabilistic algorithm which computes a rational point of an absolutely irreducible variety over a finite field defined by a reduced regular sequence. Its time--space complexity is roughly quadratic in the logarithm of the cardinality of the field and a geometric invariant of the input system (called its degree), which is always bounded by the Bezout number of the system. Our algorithm works for fields of any characteristic, but requires the cardinality of the field to be greater...

Source: http://arxiv.org/abs/math/0406085v1

17
17

Sep 19, 2013
09/13

by
Sebastian Matera; Karsten Reuter

######
17

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0

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0

We assess heat and mass transfer limitations in in situ studies of model catalysts with a first-principles based multiscale modeling approach that integrates a detailed description of the surface reaction chemistry and the macro-scale flow structures. Using the CO oxidation at RuO2(110) as a prototypical example we demonstrate that factors like a suppressed heat conduction at the backside of the thin single-crystal, and the build-up of a product boundary layer above the flat-faced surface play...

Source: http://arxiv.org/abs/0909.4261v1

12
12

Sep 20, 2013
09/13

by
Sebastian Matera; Karsten Reuter

######
12

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0

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0

We investigate transport effects in in situ studies of defined model catalysts using a multi-scale modeling approach integrating first-principles kinetic Monte Carlo simulations into a fluid dynamical treatment. We specifically address two isothermal flow setups: i) a channel flow with the gas-stream approaching the single crystal from the side, as is representative for reactor scanning tunneling microscopy experiments; and ii) a stagnation flow with perpendicular impingement. Using the CO...

Source: http://arxiv.org/abs/1205.5400v1

7
7.0

Sep 22, 2013
09/13

by
M. Colonna; F. Matera

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7

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0

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0

Isotopic fluctuations in fragment formation are investigated in a quasi-analytical description of the spinodal decomposition scenario. By exploiting the fluctuation-dissipation relations the covariance matrix of density fluctuations is derived as a function of the wave vector for nuclear matter at given values of density, charge asymmetry, temperature, and of the time that the system spends in the instability region. Then density fluctuations in ordinary space are implemented with a Fourier...

Source: http://arxiv.org/abs/0805.2250v1

12
12

Sep 17, 2013
09/13

by
F. Matera; A. Dellafiore

######
12

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0

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0

The density fluctuations of nuclear matter are studied within a mean-field model in wich fluctuations are generated by an external stochastic field. The constraints imposed on the random force by the fluctuation-dissipation theorem are analyzed. It is shown that in the proximity of the borders of the spinodal region the assumption of a white-noise stochastic field can be reliably used. The domain distribution of the liquid phase in the spinodal decomposition of nuclear matter is derived. The...

Source: http://arxiv.org/abs/nucl-th/0007001v1

9
9.0

Oct 21, 2014
10/14

by
Lu, Zhipeng; Matera, A. Gregory

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9

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0

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0

This article is from Nucleic Acids Research, volume 42.AbstractNon-coding (nc)RNAs are important structural and regulatory molecules. Accurate determination of the primary sequence and secondary structure of ncRNAs is important for understanding their functions. During cDNA synthesis, RNA 3′ end stem-loops can self-prime reverse transcription, creating RNA–cDNA chimeras. We found that chimeric RNA–cDNA fragments can also be detected at 5′ end stem-loops, although at much lower...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4027162

3
3.0

Sep 21, 2013
09/13

by
Norma Canosa; Raul Rossignoli; Juan Mauricio Matera

######
3

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0

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0

We determine the conditions under which general dimer-type spin chains with $XYZ$ couplings of arbitrary range in a general transverse field will exhibit an exactly separable parity-breaking eigenstate. We also provide sufficient conditions which ensure that it will be a ground state. We then examine the exact side limits at separability of the entanglement between any two spins in a finite chain, showing that in the vicinity of separability, the system will loose all signatures of...

Source: http://arxiv.org/abs/1008.4412v1

3
3.0

Sep 19, 2013
09/13

by
J. M. Matera; R. Rossignoli; N. Canosa

######
3

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0

######
0

We discuss a general treatment based on the mean field plus random phase approximation (RPA) for the evaluation of subsystem entropies and negativities in ground states of spin systems. The approach leads to a tractable general method, becoming straightforward in translationally invariant arrays. The method is examined in arrays of arbitrary spin with $XYZ$ couplings of general range in a uniform transverse field, where the RPA around both the normal and parity breaking mean field state,...

Source: http://arxiv.org/abs/1009.1750v2

5
5.0

Sep 23, 2013
09/13

by
Antonio Cafure; Guillermo Matera; Melina Privitelli

######
5

######
0

######
0

We determine conditions on q for the nonexistence of deep holes of the standard Reed-Solomon code of dimension k over F_q generated by polynomials of degree k+d. Our conditions rely on the existence of q-rational points with nonzero, pairwise-distinct coordinates of a certain family of hypersurfaces defined over F_q. We show that the hypersurfaces under consideration are invariant under the action of the symmetric group of permutations of the coordinates. This allows us to obtain critical...

Source: http://arxiv.org/abs/1109.2265v1

3
3.0

Sep 18, 2013
09/13

by
V. I. Abrosimov; A. Dellafiore; F. Matera

######
3

######
0

######
0

A semiclassical theory of linear response in finite Fermi systems, based on the Vlasov equation, and its applications to the study of isoscalar vibrations in heavy nuclei are reviewed. It is argued that the Vlasov equation can be used to study the response of small quantum systems like (heavy) nuclei in regimes for which the finite size of the system is more important than the collisions between constituents. This requires solving the linearized Vlasov equation for finite systems, however, in...

Source: http://arxiv.org/abs/nucl-th/0505064v1

3
3.0

Sep 19, 2013
09/13

by
F. Matera; A. Dellafiore; G. Fabbri

######
3

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0

######
0

Density fluctuations of expanding nuclear matter are studied within a mean-field model in which fluctuations are generated by an external stochastic field. Fluctuations develop about a mean one-body phase-space density corresponding to a hydrodinamic motion that describes a slow expansion of the system. A fluctuation-dissipation relation suitable for a uniformly expanding medium is obtained and used to constrain the strength of the stochastic field. The distribution of the liquid domains in the...

Source: http://arxiv.org/abs/nucl-th/0302015v1

7
7.0

Sep 18, 2013
09/13

by
V. I. Abrosimov; A. Dellafiore; F. Matera

######
7

######
0

######
0

The effect of quadrupole-type surface vibrations on the quadrupole response function of heavy nuclei is studied by using a model based on the solution of the linearized Vlasov equation with moving-surface boundary conditions. By using a separable approximation for the residual interaction, an analytical expression is obtained for the moving-surface response function. Comparison of the fixed- and moving-surface strength functions shows that surface vibrations are essential in order to achieve a...

Source: http://arxiv.org/abs/nucl-th/0210072v2

6
6.0

Sep 21, 2013
09/13

by
Raul Rossignoli; Norma Canosa; Juan Mauricio Matera

######
6

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0

######
0

We examine the entanglement entropy of the even half of a translationally invariant finite chain or lattice in its ground state. This entropy measures the entanglement between the even and odd halves (each forming a "comb" of $n/2$ sites) and can be expected to be extensive for short range couplings away from criticality. We first consider bosonic systems with quadratic couplings, where analytic expressions for arbitrary dimensions can be provided. The bosonic treatment is then...

Source: http://arxiv.org/abs/1104.4005v1

5
5.0

Oct 25, 2014
10/14

by
Cazzola, Mario; Segreti, Andrea; Matera, Maria Gabriella

######
5

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0

######
0

This article is from Drug Design, Development and Therapy, volume 7.AbstractAn increasing body of evidence suggests that the long-acting muscarinic antagonist (LAMA)/long-acting β2-agonist (LABA) combination appears to play an important role in maximizing bronchodilation, with studies to date indicating that combining different classes of bronchodilators may result in significantly greater improvements in lung function compared to the use of a single drug, and that these combinations are well...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3797618

8
8.0

Sep 19, 2013
09/13

by
R. Rossignoli; N. Canosa; J. M. Matera

######
8

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0

######
0

We determine the conditions for the existence of a pair of degenerate parity breaking separable eigenstates in general arrays of arbitrary spins connected through $XYZ$ couplings of arbitrary range and placed in a transverse field, not necessarily uniform. Sufficient conditions under which they are ground states are also provided. It is then shown that in finite chains, the associated definite parity states, which represent the actual ground state in the immediate vicinity of separability, can...

Source: http://arxiv.org/abs/0910.0300v2

22
22

Sep 17, 2013
09/13

by
Keith Matera; Thomas W. Baumgarte; Eric Gourgoulhon

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22

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0

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0

We solve Einstein's constraint equations in the conformal thin-sandwich decomposition to model thin shells of non-interacting particles in circular orbit about a non-rotating black hole. We use these simple models to explore the effects of some of the freely specifiable quantities in this decomposition on the physical content of the solutions. Specifically, we adopt either maximal slicing or Kerr-Schild slicing, and make different choices for the value of the lapse on the black hole horizon....

Source: http://arxiv.org/abs/0711.1988v1

8
8.0

Sep 18, 2013
09/13

by
J. M. Matera; R. Rossignoli; N. Canosa

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8

######
0

######
0

We examine the evaluation of entanglement measures in weakly correlated gaussian states. It is shown that they can be expressed in terms of the singular values of a particular block of the generalized contraction matrix. This result enables to obtain in a simple way asymptotic expressions and related area laws for the entanglement entropy of bipartitions in pure states, as well as for the logarithmic negativity associated with bipartitions and also pairs of arbitrary subsystems. As...

Source: http://arxiv.org/abs/1211.0581v2

6
6.0

Sep 21, 2013
09/13

by
F. Matera; G. Fabbri; A. Dellafiore

######
6

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0

######
0

Pairing correlations in symmetric nuclear matter are studied within a relativistic mean-field approximation based on a field theory of nucleons coupled to neutral ($\sigma$ and $\omega$) and to charged ($\varrho$) mesons. The Hartree-Fock and the pairing fields are calculated in a self-consistent way. The energy gap is the result of a strong cancellation between the scalar and vector components of the pairing field. We find that the pair amplitude vanishes beyond a certain value of momentum of...

Source: http://arxiv.org/abs/nucl-th/9705005v1

6
6.0

Sep 23, 2013
09/13

by
N. Canosa; J. M. Matera; R. Rossignoli

######
6

######
0

######
0

We discuss the application of the static path plus random phase approximation (SPA+RPA) and the ensuing mean field+RPA treatment to the evaluation of entanglement in composite quantum systems at finite temperature. These methods involve just local diagonalizations and the determination of the generalized collective vibrational frequencies. As illustration, we evaluate the pairwise entanglement in a fully connected XXZ chain of $n$ spins at finite temperature in a transverse magnetic field $b$....

Source: http://arxiv.org/abs/1012.4762v1

13
13

Sep 22, 2013
09/13

by
R. Rossignoli; N. Canosa; J. M. Matera

######
13

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0

######
0

We examine the entanglement of cyclic spin 1/2 chains with anisotropic XY Z Heisenberg couplings of arbitrary range at transverse factorizing magnetic fields. At these fields the system exhibits a degenerate symmetry-breaking separable ground state (GS). It is shown, however, that the side limits of the GS pairwise entanglement at these fields are actually non-zero in finite chains, corresponding such fields to a GS spin-parity transition. These limits exhibit universal properties like being...

Source: http://arxiv.org/abs/1101.3908v1

15
15

Sep 21, 2013
09/13

by
Juan Mauricio Matera; Raul Rossignoli; Norma Canosa

######
15

######
0

######
0

We discuss a general mean field plus random phase approximation (RPA) for describing composite systems at zero and finite temperature. We analyze in particular its implementation in finite systems invariant under translations, where for uniform mean fields it requires just the solution of simple local-type RPA equations. As test and application, we use the method for evaluating the entanglement between two spins in cyclic spin 1/2 chains with both long and short range anisotropic XY-type...

Source: http://arxiv.org/abs/1104.3853v1

5
5.0

Sep 21, 2013
09/13

by
Juan Mauricio Matera; Raul Rossignoli; Norma Canosa

######
5

######
0

######
0

We examine the thermal pairwise entanglement in a symmetric system of $n$ spins fully connected through anisotropic $XYZ$-type couplings embedded in a transverse magnetic field. We consider both the exact evaluation together with that obtained with the static path + random phase approximation (RPA) and the ensuing mean field + RPA. The latter is shown to provide an accurate analytic description of both the parallel and antiparallel thermal concurrence in large systems. We also analyze the limit...

Source: http://arxiv.org/abs/1104.5694v1

4
4.0

Sep 18, 2013
09/13

by
Antonio Cafure; Guillermo Matera; Melina Privitelli

######
4

######
0

######
0

Let P^n denote the n-dimensional projective space defined over the algebraic closure of a finite field F_q, let V contained P^n be a complete intersection defined over F_q of dimension r and singular locus of dimension at most s, and let \pi:V-->P^{s+1} be a "generic" linear mapping. We obtain an effective version of the Bertini smoothness theorem concerning \pi, namely an explicit upper bound of the degree of a proper Zariski closed subset of P^{s+1} which contains all the points...

Source: http://arxiv.org/abs/1209.4938v2

8
8.0

Sep 22, 2013
09/13

by
V. I. Abrosimov; A. Dellafiore; F. Matera

######
8

######
0

######
0

A semiclassical linear response theory based on the Vlasov equation is reviewed. The approach discussed here differs from the classical one of Vlasov and Landau for the fact that the finite size of the system is explicitly taken into account. The non-trivial problem of deciding which boundary conditions are more appropriate for the fluctuations of the phase-space density has been circumvented by studying solutions corresponding to different boundary conditions (fixed and moving surface). The...

Source: http://arxiv.org/abs/nucl-th/0201067v1

20
20

Sep 24, 2013
09/13

by
V. I. Abrosimov; A. Dellafiore; F. Matera

######
20

######
0

######
0

A semiclassical model based on the solution of the Vlasov equation for finite systems with a sharp moving surface has been used to study the isoscalar quadrupole and octupole collective modes in heavy spherical nuclei. Within this model, a unified description of both low-energy surface modes and higher-energy giant resonances has been achieved by introducing a coupling between surface vibrations and the motion of single nucleons. Analytical expressions for the collective response functions of...

Source: http://arxiv.org/abs/nucl-th/0407015v1

12
12

Sep 18, 2013
09/13

by
V. I. Abrosimov; A. Dellafiore; F. Matera

######
12

######
0

######
0

A semiclassical model, based on a solution of the Vlasov equation for finite systems with moving-surface, is employed to study the isoscalar dipole modes in nuclei. It is shown that, by taking into account the surface degree of freedom, it is possible to obtain an exact treatment of the centre of mass motion. It is also shown that a method often used to subtract the spurious strength in RPA calculations does not always give the correct result. An alternative analytical formula for the intrinsic...

Source: http://arxiv.org/abs/nucl-th/0105034v2

5
5.0

Sep 21, 2013
09/13

by
V. Abrosimov; A. Dellafiore; F. Matera

######
5

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0

######
0

Two different solutions of the linearized Vlasov equation for finite systems, characterized by fixed and moving-surface boundary conditions, are discussed in a unified perspective. A condition determining the eigenfrequencies of collective nuclear oscillations, that can be obtained from the moving-surface solution, is studied for isoscalar vibrations of lowest multipolarity. Analytic expressions for the friction and mass parameters related to the low-enegy surface excitations are derived and...

Source: http://arxiv.org/abs/nucl-th/9907031v1

0
0.0

Nov 15, 2014
11/14

by
Matera, MG; Calzetta, L; Peli, A; Scagliarini, A; Matera, C; Cazzola, M

######
0

######
0

######
0

This article is from Respiratory Research, volume 6.AbstractBackground: Increasing clinical epidemiological and experimental evidence indicates that excess of production of reactive oxygen free radicals (ROS) induced by an oxidative stress is involved in the pathogenesis of a number of human airway disorders, as well as equine recurrent airway obstruction. Free-radicals modulate the activation of transcription factors, such as nuclear factor-(NF)-κB and activator protein (AP)-1, in several...

Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1261534

4
4.0

Sep 20, 2013
09/13

by
V. I. Abrosimov; D. M. Brink; A. Dellafiore; F. Matera

######
4

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0

######
0

A simple model, in which nuclei are represented as homogeneous spheres of symmetric nuclear matter, is used to study the effects of a self-consistent pairing interaction on the nuclear response. Effects due to the finite size of nuclei are suitably taken into account. The semiclassical equations of motion derived in a previous paper for the time-dependent Hartree-Fock-Bogoliubov problem are solved in an improved (linear) approximation in which the pairing field is allowed to oscillate and to...

Source: http://arxiv.org/abs/1002.0448v1

3
3.0

Sep 22, 2013
09/13

by
J. Heintz; G. Matera; L. M. Pardo; R. Wachenchauzer

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3

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0

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0

This paper is devoted to the complexity analysis of a particular property, called "algebraic robustness" owned by all known symbolic methods of parametric polynomial equation solving (geometric elimination). It is shown that any parametric elimination procedure which owns this property must neccessarily have an exponential sequential time complexity.

Source: http://arxiv.org/abs/alg-geom/9707006v1

5
5.0

Sep 22, 2013
09/13

by
V. Greco; M. Colonna; M. Di Toro; F. Matera

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5

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0

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0

We discuss a fully relativistic Landau Fermi liquid theory based on the Quantum Hadro-Dynamics ($QHD$) effective field picture of Nuclear Matter ({\it NM}). From the linearized kinetic equations we get the dispersion relations of the propagating collective modes. We focus our attention on the dynamical effects of the interplay between scalar and vector channel contributions. A beautiful ``mirror'' structure in the form of the dynamical response in the isoscalar/isovector degree of freedom is...

Source: http://arxiv.org/abs/nucl-th/0205046v1